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What do you mean by 'doughnut' ?...

What do you mean by 'doughnut' ?

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The two lobes of `d_(z^(2))`-orbital are distributed along z-axis and a sphere is situated with the nucleus at its centre. This sphere is called 'doughnut'.
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CHHAYA PUBLICATION-STRUCTURE OF ATOM-WARM UP EXERCISE
  1. In which direction the value of phi(d(xy)) is zero?

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  2. In which direction the value of d(x^(2)-y^(2)) is the highest?

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  3. What do you mean by 'doughnut' ?

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  4. How many angular nodes are present in d(xy)-orbital identify them.

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  5. In which direction the value of d(x^(2)-y^(2)) is zero?

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  6. How many angular nodes are present in d(x^(2)-y^(2)) orbital? Identify...

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  7. How many angular nodes are possible for ann orbital?

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  8. Does the number of angular nodes of an orbital depend on the principal...

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  9. How many angular nodes are present in s-orbital?

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  10. Indicate the subshells present in the M-shell. How many orbitals are p...

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  11. Write the values of azimuthal quantum number 'l' in (i) third energy l...

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  12. What is the maximum number of electrons that can be accommodated in th...

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  13. What is the maximum number of electrons that can be accommodated in an...

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  14. Which of the following subshells have no real existence? (i) 2d, (ii...

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  15. How many quantum number are needed to designate an orbital? Name them.

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  16. Identify the subshells denoted by the following (i) n=4, l=2 (ii+ ...

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  17. An electron is described by magnetic quantum no. m=+3. indicate the lo...

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  18. Which quantum number is to be mentioned to distinguish between the ele...

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  19. Write the values of the magnetic quantum number 'm' for the '3d'-orbit...

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  20. Write the values of n, l and m for 3p-subshell.

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